1)NaOH+P2O5--Na3PO4+H2O
2)K2O+H2O--K2O+H2O=2KOH
3)2Al(OH)3=Al2O3+3H2O
4)KOH+H2SO4---K2SO4 +2H2O
6NAOH+P2O5--2NA3PO4+3H2O
K2O+H2O--2KOH
2AL(OH)3--AL2O3+3H20
2KOH+H2SO4--K2SO4+2H2O
1)NaOH+P2O5--Na3PO4+H2O
2)K2O+H2O--K2O+H2O=2KOH
3)2Al(OH)3=Al2O3+3H2O
4)KOH+H2SO4---K2SO4 +2H2O
6NAOH+P2O5--2NA3PO4+3H2O
K2O+H2O--2KOH
2AL(OH)3--AL2O3+3H20
2KOH+H2SO4--K2SO4+2H2O